.index-banner{
    border-radius: 10px;
    overflow: hidden;
    height: 200px;
}

.index-banner img{
    height: 200px;
}

.post-group{
    border: 1px solid #ddd;
    margin-top: 20px;
    overflow: hidden;
    border-radius: 5px;
    padding: 10px;
}

.post-group-head{
    overflow: hidden;
    list-style: none;
}

.post-group-head li{
    float: left;
    padding: 5px 10px;
}

.post-group-head li a{
    color:#333333;
    text-decoration: none;
}

.post-group-head li a:hover {
    color: #aa7700;
    font-weight: bold;
}

.post-group-head li.active{
    background: #ccc;
}

.post-list-group{
    margin-top: 20px;
}

.post-list-group li{
    overflow: hidden;
    padding-bottom: 20px;
}

.author-avatar-group{
    float: left;
}

.author-avatar-group img{
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.post-info-group{
    float: left;
    margin-left: 10px;
    border-bottom: 1px solid #e6e6e6;
    width: 85%;
    padding-bottom: 10px;
}

.post-info-group .post-info{
    margin-top: 10px;
    font-size: 12px;
    color: #8c8c8c;
}

.post-info span{
    margin-right: 10px;
}

.search-result-header {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.search-options {
    margin: 20px 0;
}

.board-filter-group,
.sort-filter-group {
    margin-bottom: 15px;
}

.board-filter-list,
.sort-filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
}

.board-filter-list li,
.sort-filter-list li {
    margin-right: 10px;
    margin-bottom: 10px;
}

.board-filter-list li a,
.sort-filter-list li a {
    display: block;
    padding: 8px 15px;
    background-color: #f5f5f5;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.board-filter-list li a:hover,
.sort-filter-list li a:hover {
    background-color: #e6e6e6;
}

.board-filter-list li.active a,
.sort-filter-list li.active a {
    background-color: #337ab7;
    color: white;
}

.no-results {
    text-align: center;
    padding: 30px;
    color: #999;
}

